Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865407 | Optical waveguide element, method of making the same and optical coupler employing optical waveguide element | Makoto Suzuki, Yutaka Hattori, Kazuyuki Miyaki, Masayuki Yoshida, Kazunari Taki +1 more | 1989-09-12 |
| 4858265 | Cleaning apparatus for magnetic tape | Akira Takagi | 1989-08-22 |
| 4842264 | Sorting machine | Kenji Kosaka | 1989-06-27 |
| 4805144 | Solid memory medium and information reproduction system using the medium | Makoto Suzuki | 1989-02-14 |